My acer predator helios g3-572 came with a 16gb 2666mhz ram module out of the box?!?

Hello to everybody, I'm new in this forum, and yes, using cpu-z + Aida 64, I realized thath my ram module was defined as a 2666mhz, running at 1333mhz while a 2400 should be running at 1200 , my ram stick is a Kingston ACR26D4S9D8MD-16 2Rx8 Pc4 and on the web I could not find any information about it , I even wrote to Acer technical support for help, but the only thing they said was that the helios 300 only supports 2133/2400mhz ram sticks (helpful, hey?) so if I would upgrade it, should I use a 2400 or simply add anoter 2666? by the way the actual 2666 ram stick is working flawlessy and it just seem being compatible with predator helios processors and motherboards even if not officially supported ! Anyone else is having this thing happening? I would appreciate any help or clarification.

Accepted answers

brummyfan2

@geekromi
So you must thank your lucky stars

your motherboard is capable of handling 2666MHz modules, when you are ready to upgrade buy a 2666MHz module.

All comments

brummyfan2

Hi,
Yes, 2666MHz modules are compatible but they may downclock to 2133/2400MHz due to the motherboard restrictions, you could check the speed of your current module in Task manager Performance tab.
http://uk.crucial.com/gbr/en/compatible-upgrade-for/Acer/predator-g3-572

geekromi

brummyfan2 said:

Hi,
Yes, 2666MHz modules are compatible but they may downclock to 2133/2400MHz due to the motherboard restrictions, you could check the speed of your current module in Task manager Performance tab.
http://uk.crucial.com/gbr/en/compatible-upgrade-for/Acer/predator-g3-572

Hi brummyfan, actually in my task manager performance tab, shown ram speed is 2667MHz (i think it shows the nominal speed) on "Cpu-z it appear working at 1333 and not 1200 as it would be with a 2400mhz.

brummyfan2

@geekromi
So you must thank your lucky stars

your motherboard is capable of handling 2666MHz modules, when you are ready to upgrade buy a 2666MHz module.

geekromi

brummyfan2 said:

@geekromi
So you must thank your lucky stars your motherboard is capable of handling 2666MHz modules, when you are ready to upgrade buy a 2666MHz module.

Hi brummyfan2, are you being serious, or just kidding? I'm just reporting what cpu-z it's showing...

geekromi

This is what cpu-z is showing:

Image: https://us.v-cdn.net/6029997/uploads/editor/2w/oct8khx4ia9z.png

brummyfan2

geekromi said:

brummyfan2 said:

@geekromi
So you must thank your lucky stars your motherboard is capable of handling 2666MHz modules, when you are ready to upgrade buy a 2666MHz module.

Hi brummyfan2, are you being serious, or just kidding? I'm just reporting what cpu-z it's showing...

Hi,
My apologies, it was meant as a serious comment, normally Acer may have tested the motherboards with 2133/2400MHz modules and recommend these as the speed limit to avoid any future problems, also they may have used different motherboards which are capable of 2666MHz modules, you have compared the Task manager reported speed and CPU-z readings, as both reported 2666MHz I think your MB is capable of handling 2666MHz.
These things happen, for example the maximum recommended capacity for M.2 SSD in your model is 512GB but some have successfully installed 1TB, so Acer must have tested with 512GB M.2 SSD and established that 512GB is sufficient for a boot drive.
I have such experience in the past as well, one laptop I bought came with a i5-3230m but the label showed i5-3210m, another one was advertised I5-6200u but actually it came with a i5-7200u.

geekromi

brummyfan2 said:

geekromi said:

brummyfan2 said:

@geekromi
So you must thank your lucky stars your motherboard is capable of handling 2666MHz modules, when you are ready to upgrade buy a 2666MHz module.

Hi brummyfan2, are you being serious, or just kidding? I'm just reporting what cpu-z it's showing...

Hi,
My apologies, it was meant as a serious comment, normally Acer may have tested the motherboards with 2133/2400MHz modules and recommend these as the speed limit to avoid any future problems, also they may have used different motherboards which are capable of 2666MHz modules, you have compared the Task manager reported speed and CPU-z readings, as both reported 2666MHz I think your MB is capable of handling 2666MHz.
These things happen, for example the maximum recommended capacity for M.2 SSD in your model is 512GB but some have successfully installed 1TB, so Acer must have tested with 512GB M.2 SSD and established that 512GB is sufficient for a boot drive.
I have such experience in the past as well, one laptop I bought came with a i5-3230m but the label showed i5-3210m, another one was advertised I5-6200u but actually it came with a i5-7200u.
Could you please tell me what mainboard is the Helios 300 equipped with and its features?

geekromi

Hi, brummyfan 2 Could you please tell me what mainboard is the Helios 300 equipped with and its features?

brummyfan2

geekromi said:

Hi, brummyfan 2 Could you please tell me what mainboard is the Helios 300 equipped with and its features?

Hi,
Install HWinFO64 free program and find the model of your motherboard then search in google for it's features because I can not be certain of the actual motherboard model in your laptop.

geekromi

All right, Thanks

brummyfan2

You are welcome

PredatorHelios500

This entire thread is misleading. The following should clear things up for anybody reading this long after the discussion is over. Google is turning this thread up for related searches so maybe that's how you would read this.

Here's what really happened in this case. The RAM modules are 2666MHz but they are configured at the BIO level to run at 2400MHz. Task manager doesn't report the configured speed, it reports the maximum speed of the modules, which 2666MHz. In CPU-Z, the "frequency" field is the max frequency, not the configured frequency, so half the max speed divided by two (2666MHz/2=1333MHz). CPU-Z does report the configured frequency on the Memory tab as the "DRAM Frequency" field. That value will be close to 1200MHz (which is half the configured speed). So when Acer said that it machine needs 2400MHz, they really mean the machine is configured to have the memory run at 2400MHz even if they shipped it with 2666MHz modules. I have no idea what the rationale is for shipping machines the Helios lineup configured for 2400MHz and for configuring the BIOS to be locked down to prevent the user from bumping it to 2666MHz if they happen to have those modules. Maybe to prevent customers from feeling disappointed if they got 2400MHz modules but I feel disappointed I can't use my 2666MHz modules at full speed. Unless there's a really good reason why 2666MHz should not be used (and I'd like to know what it is), I think Acer should release BIOS updates to give the user control of their RAM speed via XMP enabling.

BTW, for the vast majority of you, you'll never notice the difference between 2400MHz and 2666MHz RAM. However for number crunching as in my case, it would make a nice little difference.

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